* {
    margin: 0;
    padding: 0;
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
}

header {
    width: 100%;
    height: 48px;
    background: #F2F2F2;
}

#box {
    width: 1200px;
    height: 100%;
    /* background-color: violet; */
    margin: 0 auto;
    display: flex;
    align-items: center;
}

#box a {
    margin-left: 20px;
    font-size: 16px;
    color: #191919;
}

section {
    width: 1200px;
    margin: 0 auto;
}
section h2{
    width: 1200px;
    margin: 10px auto;
    text-align: center;
    color: #3f3f3f;
}
#infor{
    width: 480px;
    height: 580px;
    background: #ffffff;
    /* box-shadow: 0 2px 26px rgb(0 0 0 / 7%); */
    overflow: hidden;
    margin: 0 auto;
    border-radius: 20px;
}
.regbox{
    width: 400px;
    height: 400px;
    /* background-color: aqua; */
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    margin: 0 auto;
}
.username,.phonenum,.password,.passwordtwo{
    width: 100%;
    /* background-color: violet; */
    color: #868686;
    /* margin: 30px auto; */

    font-size: 18px;
}

.know{
    width: 400px;
    margin: 0 auto;
    margin-top: 20px;
    /* background-color: blueviolet; */
}
.username label,.phonenum label,.password label,.passwordtwo label{
    float: left;
    line-height: 42px;
}
.username input,.phonenum input,.password input,.passwordtwo input{
    outline: none;
    padding: 0 3px;
    border: none;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.05);
    font-size: 20px;
    width: 304px;
    height: 48px;
    line-height: 48px;
    float: right;
    
}
#regbtn{
    width: 400px;
    height: 50px;
    background-color: #CA141D;
    outline: none;
    border: none;
    border-radius: 10px;
    font-size: 20px;
    color: #fff;
    margin: 10px auto;
    display: block;
    margin-top: 30px;
}
#regbtn:hover{
    opacity: 0.8;
    cursor: pointer;

}
footer {
    width: 100%;
    border-top: 1px solid #c0c0c0;
}

#footer {
    width: 1200px;
    height: 60px;
    padding: 30px;
    margin: 0 auto;
    text-align: center;
    color: #999999;
} 
#login.shierror {
    color: red;
    font-size: 14px;
}
